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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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 * Copyright (c) 2010 Oracle and/or its affiliates. All rights reserved.
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 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
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 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
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 * GPL Classpath Exception:
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 * file that accompanied this code.
 *
 * Modifications:
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 * enclosed by brackets [] replaced by your own identifying information:
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 * elects to include this software in this distribution under the [CDDL or GPL
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 * recipient has the option to distribute your version of this file under
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 * its licensees as provided above.  However, if you add GPL Version 2 code
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/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package br.com.galante.webapp.security;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author nithyasubramanian
 */
//@DeclareRoles("guest-role")
@WebServlet(urlPatterns = "/loginservlet")
public class LoginServlet extends HttpServlet {

	private static final long serialVersionUID = -669106560539257330L;

	/** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            
            
            if (request.getRemoteUser() == null){
            	String userName = request.getParameter("txtUserName");
                String password = request.getParameter("txtPassword");
                System.out.println();
                System.out.println("Before Login");
                System.out.println("IsUserInRole?.." + request.isUserInRole("admins"));
                System.out.println("getRemoteUser?.." + request.getRemoteUser());
                System.out.println("getUserPrincipal?.." + request.getUserPrincipal());
                System.out.println("getAuthType?.." + request.getAuthType());
                
	            try {
	            request.login(userName, password); 
	            }catch(ServletException ex) {
	            	System.out.println("Login Failed with a ServletException.." + ex.getMessage());
	                response.sendRedirect(request.getServletContext().getContextPath() + "/public/erro.jsf");
	                return;
	            }
	            System.out.println();
	            System.out.println("After Login...");
	            System.out.println("IsUserInRole?.." + request.isUserInRole("admins"));
	            System.out.println("getRemoteUser?.." + request.getRemoteUser());
	            System.out.println("getUserPrincipal?.." + request.getUserPrincipal());
	            System.out.println("getAuthType?.." + request.getAuthType());
	            
	            response.sendRedirect(request.getServletContext().getContextPath() + "/home.jsf");
            }else{
            	request.logout();
	            System.out.println();
	            System.out.println("After Logout...");
	            System.out.println("IsUserInRole?.." + request.isUserInRole("admins"));
	            System.out.println("getRemoteUser?.." + request.getRemoteUser());
	            System.out.println("getUserPrincipal?.." + request.getUserPrincipal());
	            System.out.println("getAuthType?.." + request.getAuthType());
	            response.sendRedirect(request.getServletContext().getContextPath() + "/home.jsf");
            }
            
            
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     */
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     */
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     */
    public String getServletInfo() {
        return "Short description";
    }
    // </editor-fold>
}